Sock



FIG. 1 is a top plan view of a sock of the present invention showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a rear elevational view thereof.

The evenly dashed broken lines showing a human foot are for the purpose of illustrating environment and form no part of the claim. The evenly dashed broken lines on the sock are for the purpose of illustrating stitching and a pattern on the sole of the sock and form no part of the claim. The dash dot dash lines are for the purpose of illustrating a claim boundary and form no part of the claim. 

CLAIM The ornamental design for a sock, as shown and described. 